NPPES file of Aug 9, 2026

Dermatology Physician in California

2,083 NPPES records list dermatology physician with a practice address in California, 5.3 per 100,000 residents, the 12th highest rate of 51. San Diego and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 28 of 42.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207N00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Diego has the most, 152

  1. San Diego152
  2. Los Angeles144
  3. San Francisco134
  4. Sacramento73
  5. Stanford59

Dermatology Physician records in California

  1. David No, MD, PHDFolsom, CA 956301366452658
  2. Earlyn Noll, M.D.Davis, CA 956161801068648
  3. Gary Novatt, MDSanta Barbara, CA 931051619961257
  4. Frederick Novy, MDMorro Bay, CA 934421013026202
  5. Eugene Nowak, D.O.Chula Vista, CA 919141619055878
  6. John Nylund, MDHawthorne, CA 902501407029069
  7. Kathleen O'BrienEncinitas, CA 920241134681364
  8. James O'Connell, MDRancho Mirage, CA 922701821038092
  9. Zaidal Obagi, MDBeverly Hills, CA 902101538796693
  10. Benjamin Ober-Reynolds, MD, PHDRedwood City, CA 940631982306189
  11. Steve Oberemok, MDHemet, CA 925431598709867
  12. Jasmine Obioha, MDBeverly Hills, CA 902111174965016
  13. Maria Ochoa, M.D.Los Angeles, CA 900331619901121
  14. Dennis Oh, M.D.San Francisco, CA 941211710953047
  15. Lisa Oki, M.D.Simi Valley, CA 930651538170113
  16. Jonathan Okman, M.D.Hercules, CA 945471003227372
  17. Reid Oldenburg, MD, PHDSan Diego, CA 921031437647856
  18. Margaret Olsen Kohner, MDLos Angeles, CA 900251477625747
  19. Kenny Omlin, MDVacaville, CA 956881134207970
  20. Matthew OnassisBeverly Hills, CA 902121225807795
  21. David Opai-Tetteh, M.D.Rancho Cucamonga, CA 917301427077684
  22. Caroline OpeneLos Angeles, CA 900671255836656
  23. Howard Oriba, MDMonterey, CA 939401891781530
  24. Charisse Orme, MD, PHDSan Diego, CA 921221861767097
  25. Jennifer OrnelasSacramento, CA 958151013332451
  26. Anthony Oro, MDStanford, CA 943051902963853
  27. Stephanie Orr, M.D.Torrance, CA 905031568755502
  28. Alyssa OrtegaSylmar, CA 913421487232468
  29. Sylvia Ortega, P.A.Roseville, CA 956611215124946
  30. Arisa Ortiz, M.D.San Diego, CA 921221659556165
  31. Maria Ortiz Urda, M.DStanford, CA 943051154574853
  32. Ann Ortmeyer, MDMountain View, CA 940401629028279
  33. Sandra OskaSanta Monica, CA 904041275114803
  34. Katie Osley, M.D.Long Beach, CA 908071043535776
  35. Lawrence Osman, MDNorthridge, CA 913241730177932
  36. Richard Ostreicher, MDOakland, CA 946111568540359
  37. Shaun Ostrofe, DOSan Diego, CA 921341386102952
  38. Stacy Ostrow, M.D.San Diego, CA 921301528003472
  39. Katherine Ozanich, M.D.San Diego, CA 921271598778516
  40. Stephanie Paape, MS, PA-CSherman Oaks, CA 914031225636152
  41. Heather PachecoEncinitas, CA 920241184968398
  42. Shan Pai, M.D.El Cerrito, CA 945301659493658
  43. Aimee Paik, MDSalinas, CA 939011255560967
  44. Kangihnn Paik, M.D.Los Angeles, CA 900061447389135
  45. Anita Pakula, MDWestlake Village, CA 913611205869625
  46. Melanie Palm, M.D.Solana Beach, CA 920751821265877
  47. Michael PanBeverly Hills, CA 902111144607680
  48. Daphne Panagotacos, MDWestlake Village, CA 913611811091069
  49. Peter Panagotacos, M.D.San Francisco, CA 941231740302868
  50. Amit Pandya, MDMountain View, CA 940401245299379

Source: CMS NPPES, primary taxonomy 207N00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 12 of 51 per resident

  1. Maryland5.5
  2. Wisconsin5.5
  3. Florida5.4
  4. California5.3
  5. Pennsylvania5.3
  6. Utah5.2
  7. 50 states and D.C.4.7

Source: CMS NPPES, primary taxonomy 207N00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.2% of these records appear in a Medicare file, against 84.6% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. California83.2%
  2. United States84.6%

Dermatology Physician records in California, measured

  • In a Medicare file1,733 of 2,083 · 83.2% here, 84.6% nationally
  • In the CMS Doctors and Clinicians file1,450 · 69.6% here, 72.6% nationally
  • Not updated in five years or more1,207 · 57.9% here, 54.0% nationally
  • Median graduation year2006 · the 1,450 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207N00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,083 NPPES records list dermatology physician (207N00000X) as their primary taxonomy with a practice address in California: 5.3 per 100,000 residents against 4.7 nationally (50 states and D.C.). San Diego has 152 of them (7%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Florida1,213
  2. New York1,211
  3. Texas1,172
  4. Pennsylvania681

States with a similar rate per 100,000

  1. Utah5.2
  2. Wisconsin5.5
  3. Colorado5.2
  4. Maryland5.5

The largest states

  1. Florida1,213
  2. New York1,211
  3. Texas1,172
  4. Pennsylvania681
  5. Illinois647

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.